Home / 20,330,205,916.38-28,056,365,404.83-11,298,344,666.82

Finding the Fourth Proportional to 20,330,205,916.38, 28,056,365,404.83 and 11,298,344,666.82

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Solution

The fourth proportional to 20,330,205,916.38, 28,056,365,404.83 and 11,298,344,666.82 is: 15,592,094,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,330,205,916.38 : 28,056,365,404.83 = 11,298,344,666.82 : x
  2. Step 2: Convert to fraction form
    20,330,205,916.38/28,056,365,404.83 = 11,298,344,666.82/x
  3. Step 3: Cross multiply
    20,330,205,916.38x = 28,056,365,404.83 × 11,298,344,666.82
  4. Step 4: Simplify right side
    20,330,205,916.38x = 316,990,486,442,014,212,096
  5. Step 5: Solve for x
    x = 316,990,486,442,014,212,096/20,330,205,916.38
  6. Step 6: Final answer
    x = 15,592,094,233.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.